Note 9 - Commitments and Contingencies (Details 1) - USD ($) |
3 Months Ended | |
|---|---|---|
Sep. 30, 2019 |
Jun. 30, 2019 |
|
| Commitments and Contingencies Disclosure [Abstract] | ||
| Financing lease right-of-use assets, beginning | $ 57,000 | |
| Less depreciation of financing lease right-of-use assets | (7,000) | |
| Financing lease right-of-use assets, ending | 50,000 | |
| Financing lease liabilities, beginning | 58,000 | |
| Less principal payments on financing lease liabilities | (7,000) | |
| Financing lease liabilities, ending | 51,000 | |
| Financing lease liabilities, non-current | (29,000) | $ (29,000) |
| Financing lease liabilities, current | $ 22,000 | $ 29,000 |
| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Present value of lessee's discounted obligation for lease payments from finance lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Present value of lessee's discounted obligation for lease payments from finance lease, classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Present value of lessee's discounted obligation for lease payments from finance lease, classified as noncurrent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of cash outflow for principal payment on finance lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of lessee's right to use underlying asset under finance lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of amortization expense attributable to right-of-use asset from finance lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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